USA Boys 10 & under - 50 Y Breast
These rankings show the swimmers' placement within the United States.They are based on the swimmer's personal best, their current age category, and team; and are calculated from all the meets results.
For each swimmer, you can find the swimmer's ranking, their best time, the corresponding time standard, as well as how much faster the swimmer needs to be to reach the next level. The last columns provide information about the event they achieved this personal best.
Swimmer Rankings
| Ranking | Name | Time | Age | Standard | to Next Standard | Team | Date | Meet | |
|---|---|---|---|---|---|---|---|---|---|
| 1001 | Myer Tan | 45.00 | 9 | BB Min | A: 42.09 (+2.91s | 6.5%) | Three Village Swim Club | 03/27/2026 | 2026 MR Bronze Championship South LIE | |
| 1002 | Vincent Grey | 45.00 | 9 | BB Min | A: 42.09 (+2.91s | 6.5%) | Sprc Stingrays | 11/14/2025 | GBSA 2025 Thanksgiving Swim Fest | |
| 1003 | Maxwell Yao | 45.01 | 9 | BB Min | A: 42.09 (+2.92s | 6.5%) | Gilroy Gators Swim Team | 10/25/2025 | GGST Spooktacular 2025 | |
| 1004 | Henry Jarchow | 45.01 | 9 | BB Min | A: 42.09 (+2.92s | 6.5%) | St Croix Swim Club | 02/27/2026 | 2026 MN MAN Minnesota Regional Championship | |
| 1005 | Liam Steigner | 45.01 | 10 | BB Min | A: 42.09 (+2.92s | 6.5%) | Fast Falcons | 09/26/2026 | EAJ Speedo September Meet 2026 | |
| 1006 | Thomas Balban | 45.02 | 9 | BB Min | A: 42.09 (+2.93s | 6.5%) | Phoenix Aquatic Club | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 1007 | George Howe | 45.03 | 9 | BB Min | A: 42.09 (+2.94s | 6.5%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 12/06/2025 | SLA Holiday Blast | |
| 1008 | Ethan Li | 45.03 | 9 | BB Min | A: 42.09 (+2.94s | 6.5%) | Pacific Dragons Swim Team | 10/03/2026 | 2026 PN OCA John Walker Invitational Approve | |
| 1009 | Marco Hu | 45.03 | 10 | BB Min | A: 42.09 (+2.94s | 6.5%) | Gator Swim Club | 10/09/2026 | 2026 FAST Pumpkin Plunge | |
| 1010 | Ethan Zhong | 45.05 | 9 | BB Min | A: 42.09 (+2.96s | 6.6%) | Quicksilver Swimming | 02/21/2026 | Pacific Swimming 10 U SCY Championship | |
| 1011 | Andrew Butters | 45.05 | 10 | BB Min | A: 42.09 (+2.96s | 6.6%) | Raleigh Swimming Association | 07/25/2026 | 2026 RSA Flip Flop | |
| 1012 | William Mager | 45.05 | 10 | BB Min | A: 42.09 (+2.96s | 6.6%) | Green Bay Swim Club | 03/29/2025 | 2025 MN MYAS Midwest Regional Swim Meet | |
| 1013 | Deacon Malkovich | 45.05 | 6 | BB Min | A: 42.09 (+2.96s | 6.6%) | Terrapins Swim Team | 10/10/2026 | Orinda Aquatics PC SC C B BB+ | |
| 1014 | Cannon Brown | 45.06 | 10 | BB Min | A: 42.09 (+2.97s | 6.6%) | Olympic Cascade Aquatics | 10/03/2026 | 2026 PN OCA John Walker Invitational Approve | |
| 1015 | Benson Lao | 45.07 | 9 | BB Min | A: 42.09 (+2.98s | 6.6%) | Long Island Aquatic Club | 10/25/2025 | 2025 MR LIAC Chappy S Invitational | |
| 1016 | Troy Dabaj | 45.07 | 9 | BB Min | A: 42.09 (+2.98s | 6.6%) | Tac Titans | 06/07/2026 | 2026 TAC TITANS June SCY Intrasquad Meet | |
| 1017 | Michael Naraguma | 45.07 | 10 | BB Min | A: 42.09 (+2.98s | 6.6%) | Life Time Swim Team - Central | 10/18/2026 | 2026 ST TXLA 10 U Fall Kick Off Invite | |
| 1018 | Declan Sederholm | 45.08 | 10 | BB Min | A: 42.09 (+2.99s | 6.6%) | Hilltop Aquatic Swim Team | 03/05/2025 | 2025 Short Course UTAGS Championships | |
| 1019 | Theodore Janson | 45.08 | 10 | BB Min | A: 42.09 (+2.99s | 6.6%) | Central Minnesota Aquatics | 02/27/2026 | 2026 MN MTKA Minnesota Regional Championship | |
| 1020 | Matthew Bennett | 45.08 | 10 | BB Min | A: 42.09 (+2.99s | 6.6%) | Pipeline Swimming | 09/18/2026 | Kiefer Speedo Fall Invitational | |
| 1021 | Woodside DeMoss | 45.08 | 9 | BB Min | A: 42.09 (+2.99s | 6.6%) | Lexington Dolphins | 10/17/2026 | LEXD FinFest | |
| 1022 | Dolan Carroll | 45.09 | 10 | BB Min | A: 42.09 (+3.00s | 6.7%) | Cincinnati Marlins | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1023 | Eric Ruan | 45.10 | 9 | BB Min | A: 42.09 (+3.01s | 6.7%) | South East Metro Sharks | 01/25/2026 | 2026 MN HURR January Invitational | |
| 1024 | Caeden DaSalla | 45.11 | 10 | BB Min | A: 42.09 (+3.02s | 6.7%) | Long Island Aquatic Club | 12/05/2025 | 2025 MR NYS Holiday Classic Trials Finals | |
| 1025 | Christopher Porembka | 45.11 | 10 | BB Min | A: 42.09 (+3.02s | 6.7%) | Fast Fins Elite | 10/19/2024 | 2024 LSST October Open Meet | |
| 1026 | Ronan Kruse | 45.11 | 10 | BB Min | A: 42.09 (+3.02s | 6.7%) | South Bay Aquatics | 10/03/2026 | 2026 SI CAST Pentathlon October 3 | |
| 1027 | Edmund Lin | 45.11 | 10 | BB Min | A: 42.09 (+3.02s | 6.7%) | California Dolphins Swim Team | 10/10/2026 | Orinda Aquatics PC SC C B BB+ | |
| 1028 | Sebastian Schnabl | 45.12 | 9 | BB Min | A: 42.09 (+3.03s | 6.7%) | Asphalt Green Unified Aquatics | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 1029 | Dean Wu | 45.12 | 8 | BB Min | A: 42.09 (+3.03s | 6.7%) | Burlingame Aquatics | 10/03/2026 | PASA CBA+ SCY Meet Oct 2026 | |
| 1030 | Van Ewing | 45.13 | 10 | BB Min | A: 42.09 (+3.04s | 6.7%) | Tahoe Swim Club | 07/31/2026 | 2026 High Country Short Course Championship | |
| 1031 | Carson Logar | 45.13 | 10 | BB Min | A: 42.09 (+3.04s | 6.7%) | Mecklenburg Swim Association | 03/20/2026 | 2026 STAR Tar Heel States | |
| 1032 | Luka Radchenko Avondo | 45.13 | 9 | BB Min | A: 42.09 (+3.04s | 6.7%) | Hill Country Aquatics | 09/12/2026 | 2026 ST HCA Endless Summer SCY Invite | |
| 1033 | Connor Li | 45.13 | 9 | BB Min | A: 42.09 (+3.04s | 6.7%) | Pacific Dragons Swim Team | 10/03/2026 | 2026 PN OCA John Walker Invitational Approve | |
| 1034 | Ryan Karapostoles | 45.14 | 10 | BB Min | A: 42.09 (+3.05s | 6.8%) | Swim Melbourne | 10/10/2026 | TCSC Fall Invitational | |
| 1035 | Tristan Au | 45.15 | 10 | BB Min | A: 42.09 (+3.06s | 6.8%) | Mason Manta Rays | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1036 | Charles Doran | 45.15 | 10 | BB Min | A: 42.09 (+3.06s | 6.8%) | Nova of Virginia | 01/09/2026 | NOVA New Year S Kick Off | |
| 1037 | Lucas Romero | 45.16 | 8 | BB Min | A: 42.09 (+3.07s | 6.8%) | Long Island Aquatic Club | 02/20/2026 | 2026 MR Silvers Championship South HAUP | |
| 1038 | Luther Kim | 45.16 | 10 | BB Min | A: 42.09 (+3.07s | 6.8%) | Sea to Desert Swim Association | 10/03/2026 | 2026 SI CAST Pentathlon October 3 | |
| 1039 | Ashton Yang | 45.16 | 10 | BB Min | A: 42.09 (+3.07s | 6.8%) | Southwest Stars Swim Club | 10/09/2026 | 2026 FAST Pumpkin Plunge | |
| 1040 | Oliver Gist-Pitts | 45.16 | 10 | BB Min | A: 42.09 (+3.07s | 6.8%) | Boulder Swim Team | 03/14/2025 | 2025 CO NJ Mile High Championships | |
| 1041 | Jenson Root | 45.17 | 10 | BB Min | A: 42.09 (+3.08s | 6.8%) | SlipStream Aquatics | 09/26/2026 | 2026 CO NJ SC Kick Off Invite | |
| 1042 | Daniel Reschke | 45.18 | 10 | BB Min | A: 42.09 (+3.09s | 6.8%) | Santa Clara Swim Club | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 1043 | Carlin Bannon | 45.18 | 9 | BB Min | A: 42.09 (+3.09s | 6.8%) | North Palm Beach Swim Club | 10/02/2026 | Mike Horgan 2026 | |
| 1044 | Beck Merkle | 45.20 | 10 | BB Min | A: 42.09 (+3.11s | 6.9%) | Jersey Wahoos | 11/07/2025 | 2025 Mid Atlantic AG Championship Showdown | |
| 1045 | Seth Snyder | 45.20 | 10 | BB Min | A: 42.09 (+3.11s | 6.9%) | Lynchburg YMCA Swim Team | 02/27/2026 | 2026 SW District Champs 9 Over | |
| 1046 | Micah Lamb | 45.21 | 10 | BB Min | A: 42.09 (+3.12s | 6.9%) | Riptide Aquatics | 09/19/2026 | 2026 Heart Of Florida Swim Meet | |
| 1047 | Yadier Cruz-Cruz | 45.22 | 9 | BB Min | A: 42.09 (+3.13s | 6.9%) | Mississippi Makos Swim Team | 03/06/2026 | Speedo Southern Premier | |
| 1048 | Wesley Tong | 45.22 | 10 | BB Min | A: 42.09 (+3.13s | 6.9%) | Front Range Barracudas | 07/09/2026 | 2026 CO NCS 10 U Summer Festival | |
| 1049 | Owen Melin | 45.22 | 9 | BB Min | A: 42.09 (+3.13s | 6.9%) | Swim Fort Lauderdale | 02/20/2026 | 2026 FG SCY BB Championships (NORTH) | |
| 1050 | Leomaris Pitzer | 45.22 | 9 | BB Min | A: 42.09 (+3.13s | 6.9%) | Lakeside Swim Team | 10/16/2026 | 2026 SwimVille USA Jack Thompson Classic | |
Disclaimer: This Website is not affiliated with USA Swimming or any Local Swim Committee. The rankings and times displayed on this website are unofficial and should not be viewed as such. We update our information regularly, but we cannot guarantee that the data is accurate, timely, or complete. The only purpose of this website is entertainment. None of the information here should be used for university admission applications.